Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.

Pacific tropical moisture wrapping into a storm over the southwest U.S. will continue a multi-day heavy rainfall event this week that will extend into the Midwest and southern Plains. Considerable flash flooding is possible across portions of New Mexico and west Texas today through Wednesday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646° N Lon: 122.8388° W Elev: 550.0 ft.

NA

59°F

15°C

Humidity 94%
Wind Speed ENE 2 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 29 Sep 04:45 PM PDT
Detailed forecast for

Foothills and Valleys of Thurston and Lewis Counties

Tonight
Mostly cloudy with a chance of rain until early morning, then mostly cloudy with a slight chance of rain late in the night. Patchy fog. Lows in the mid to upper 40s. Light wind.
Wednesday
Partly sunny. Areas of fog in the morning. Highs in the lower to mid 60s. Light wind.
Wednesday Night
Mostly cloudy. Patchy fog late in the evening. Lows in the mid to upper 40s. Light wind.
Thursday
Partly sunny. Highs near 70. Light wind.
Thursday Night
Partly cloudy. Lows near 50. Light wind.
Friday
Mostly sunny. Highs near 70.
Friday Night
Mostly clear. Lows in the upper 40s.
Saturday
Mostly sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows near 50.
Sunday
Mostly sunny. Highs in the mid 70s.
Sunday Night
Partly cloudy. Lows in the lower 50s.
Monday
Partly sunny. Highs near 70.
Monday Night
Partly cloudy. Lows near 50.
Tuesday
Partly sunny. Highs in the upper 60s.





Basemap Options
Click map to change the forecast location
Loading map...
236 PM PDT Tue Sep 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database